Bettiah vs Gangtok
Side-by-side air quality comparison between Bettiah and Gangtok.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Gangtok averaged 48 — a 79-point (165%) gap, with Bettiah the more polluted and Gangtok the cleaner of the two. On 555 days when both cities reported, Gangtok was cleaner on 535 of them; the average daily gap was 120 AQI points.
Seasonality & days
Bettiah peaks in November, while Gangtok peaks in March. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Gangtok was 0% Severe and 96.2% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Gangtok 94 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Gangtok has worsened by 14 AQI points (41.2%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Gangtok hit AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Gangtok spans 1 stations with a 0-point spread (min 50, max 50).